.. option:: -e, --shared=NUM
Allow up to *NUM* clients to share the device (default
- ``1``), 0 for unlimited. Safe for readers, but for now,
- consistency is not guaranteed between multiple writers.
+ ``1``), 0 for unlimited.
.. option:: -t, --persistent
.. option:: -v, --verbose
- Display extra debugging information.
+ Display extra debugging information. This option also keeps the original
+ *STDERR* stream open if the ``qemu-nbd`` process is daemonized due to
+ other options like :option:`--fork` or :option:`-c`.
.. option:: -h, --help
qemu-nbd -f qcow2 file.qcow2
Start a long-running server listening with encryption on port 10810,
-and whitelist clients with a specific X.509 certificate to connect to
+and allow clients with a specific X.509 certificate to connect to
a 1 megabyte subset of a raw file, using the export name 'subset':
::